From 9dcf204dece518a48192a90ea962a9d630283e11 Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddie@fpgeh.com>
Date: Tue, 18 Feb 2020 08:41:48 -0800
Subject: TimingInfo: index by (port_name,offset)

---
 kernel/timinginfo.h        | 28 +++++++++++++++++++---------
 passes/techmap/abc9_ops.cc |  7 ++++---
 2 files changed, 23 insertions(+), 12 deletions(-)

diff --git a/kernel/timinginfo.h b/kernel/timinginfo.h
index e2af4d51a..8d0904175 100644
--- a/kernel/timinginfo.h
+++ b/kernel/timinginfo.h
@@ -25,17 +25,27 @@
 
 YOSYS_NAMESPACE_BEGIN
 
-typedef std::pair<RTLIL::SigBit,RTLIL::SigBit> BitBit;
-
-struct ModuleTiming
-{
-	RTLIL::IdString type;
-	dict<BitBit, int> comb;
-	dict<RTLIL::SigBit, int> arrival, required;
-};
-
 struct TimingInfo
 {
+	struct NameBit
+	{
+		RTLIL::IdString name;
+		int offset;
+		NameBit() {}
+		NameBit(const RTLIL::SigBit &b) : name(b.wire->name), offset(b.offset) {}
+		bool operator==(const NameBit& nb) const { return nb.name == name && nb.offset == offset; }
+		bool operator!=(const NameBit& nb) const { return !operator==(nb); }
+		unsigned int hash() const { return mkhash_add(name.hash(), offset); }
+	};
+	typedef std::pair<NameBit,NameBit> BitBit;
+
+	struct ModuleTiming
+	{
+		RTLIL::IdString type;
+		dict<BitBit, int> comb;
+		dict<NameBit, int> arrival, required;
+	};
+
 	dict<RTLIL::IdString, ModuleTiming> data;
 
 	TimingInfo()
diff --git a/passes/techmap/abc9_ops.cc b/passes/techmap/abc9_ops.cc
index f7097fadb..e5de2bcc4 100644
--- a/passes/techmap/abc9_ops.cc
+++ b/passes/techmap/abc9_ops.cc
@@ -473,11 +473,11 @@ void prep_lut(RTLIL::Design *design, int maxlut)
 
 		auto &t = timing.setup_module(module);
 
-		SigBit o;
+		TimingInfo::NameBit o;
 		std::vector<int> specify;
 		for (const auto &i : t.comb) {
 			auto &d = i.first.second;
-			if (o == SigBit())
+			if (o == TimingInfo::NameBit())
 				o = d;
 			else if (o != d)
 				log_error("(* abc9_lut *) module '%s' with has more than one output.\n", log_id(module));
@@ -581,7 +581,8 @@ void prep_box(RTLIL::Design *design, bool dff_mode)
 						first = false;
 					else
 						ss << " ";
-					auto it = t.find(wire);
+					log_assert(GetSize(wire) == 1);
+					auto it = t.find(SigBit(wire,0));
 					if (it == t.end())
 						// Assume that no setup time means zero
 						ss << 0;
-- 
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